Modeled after FreeBSD's `reallocf(3)`: a version of `realloc(3)` that
frees the memory when reallocation fails, simplifying error handling in
many cases.
PR-URL: https://github.com/libuv/libuv/pull/2735
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
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